The soil nutrient which is important as a constituent of plant proteins and hormones is? By: Sunday|Published on: Jul 7|Categories: Agricultural Science WAEC| 0 comments A. calcium B. magnesium C. iron D. potassium E. sulphur Correct Answer: Option E – sulphur Users Also Read These:A small stem from a hibiscus plant was placed in a…The fertility of the soil is an important factor in…Plant hormones include the following except?Which of the following is not regarded as a…Nutrient replenishment in soil can be enhanced by?SEE ALSO Most viral diseases of plants are transmitted by?